12121012011101 has 8 divisors (see below), whose sum is σ = 13853241192384. Its totient is φ = 10388946839040.

The previous prime is 12121012011091. The next prime is 12121012011109. The reversal of 12121012011101 is 10111021012121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12121012011101 - 2¹⁴ = 12121011994717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12121012011109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40843895 + ... + 41139588.

It is an arithmetic number, because the mean of its divisors is an integer number (1731655149048).

Almost surely, 2^{12121012011101} is an apocalyptic number.

It is an amenable number.

12121012011101 is a deficient number, since it is larger than the sum of its proper divisors (1732229181283).

12121012011101 is an equidigital number, since it uses as much as digits as its factorization.

12121012011101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82004611.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 12121012011101 its reverse (10111021012121), we get a palindrome (22232033023222).

The spelling of 12121012011101 in words is "twelve trillion, one hundred twenty-one billion, twelve million, eleven thousand, one hundred one".